If you do not wish to enter complex formula in Excel and you already have calculated average, count, and variance for your samples(Tip:use a PivotTable), then you can use these user-defined functions to calculate the t-test stat value and degrees of freedom required to do hypothesis testing. Both the functions provide an optional argument for […]

If you want to convert the text to uppercase, use the following code; however, I recommend downloading ASAP Utilities, it has many functionalities, including text conversion. It doesn’t offer source code though. Here’s my code for uppercase conversion:(If you want to convert your text to lowercase, replace Ucase with Lcase function in the code) ‘Will […]

Oh, man, I can’t tell how useful that concatenate function is. One repetitive use I found is to create OR/AND conditions for Access queries. I copy and paste the field values of a column from Access, do some filtering and my conditions are ready. Then I use this concat2 function to create a string to […]

Weka, an open source data mining software, uses arff input data format. You can use this code to convert any Access table to arff format. Download the Access database with code: Convert2Arff.mdb This can very well be designed using forms, but this should get one started. Use Alt + F11 to see the code, then […]